Two-Neutron Excitations in light nuclei via the (18O,16O) reaction at 84 MeV

被引:3
|
作者
Cavallaro, M. [2 ]
Cappuzzello, F. [1 ,2 ]
Carbone, D. [1 ,2 ]
Cunsolo, A. [1 ,2 ]
Foti, A. [1 ,3 ]
Tudisco, S. [2 ]
Bondi, M. [1 ,2 ]
Santagati, G. [1 ,2 ]
Taranto, G. [1 ,2 ]
Chen, R. [1 ,4 ]
Linares, R. [1 ,5 ]
Azaiez, F. [6 ]
Franchoo, S. [6 ]
Niikura, M. [6 ]
Scarpaci, J. A. [6 ]
机构
[1] Univ Catania, Dipartimento Fis & Astron, Catania, Italy
[2] Ist Nazl Fis Nucl, Lab Nazl Sud, Catania, Italy
[3] Ist Nazl Fis Nucl, Sez Catania, Catania, Italy
[4] Chinese Acad Sci, Modern Phys Lab, Lanzhou, Gansu, Peoples R China
[5] Univ Sao Paulo, Inst Fis, Sao Paulo, Brazil
[6] CNRS, IN2P3, Inst Phys Nucl Orsay, Orsay, France
来源
INTERNATIONAL NUCLEAR PHYSICS CONFERENCE 2010 (INPC): NUCLEAR STRUCTURE | 2011年 / 312卷
关键词
STATES;
D O I
10.1088/1742-6596/312/9/092020
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
A study of light neutron rich nuclei was pursued at the Catania INFN-LNS laboratory by the (O-18,O-16) reaction at 84 MeV incident energy on Be-9, B-11 and C-13 targets. The O-16 ejectiles were detected at forward angles by the MAGNEX magnetic spectrometer. The energy spectra of C-15 show several known low lying states up to about 7 MeV excitation energy as well unknown resonant structures at higher excitation energy. The strong excitation of these latter together with the measured width of about 2 MeV FWHM could indicate the presence of collective modes of excitation connected to the transfer of a correlated neutron pair. Similar features characterize the energy spectra of the Be-11 and B-13 nuclei.
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页数:4
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